A mobile communication terminal has a function of communicating with two types of base stations, for example, one base station belongs to the Global System for Mobile communications and another base station belongs to the Wideband Code Division Multiple Access system. Raw feed meal used in cement production is heated in a special heating chamber to drive off volatile compounds, such as organic materials and salts of ammonia. The guidewire is then threaded up the tracheal cavity, through the glottic opening and up either the oropharyngeal airway, so as to extend out of the patient’s mouth, or up the nasopharyngeal airway, so as to extend out of the patient’s a nostril. Each PTDDC may be daisy-chained to other PTDDCs to permit a plethora of SATA drives to be associated with a given HBA, with the first PTDDC providing a presentation interface to the HBA integrating all SATA disk drive storage connected to the PTDDCs. Thereafter, the resulting coated glass substrate may be used as desired, it having been HT and including the protective DLC inclusive layer. The mobile communication terminal includes a plurality of impedance matching circuits and a controller of the mobile communication terminal is adapted to measure the reflection voltage of the antenna, select one impedance matching circuit corresponding to the measured reflection voltage, and connected with the antenna through the selected impedance matching circuit.